NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

8 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days — NPA 708
ONVOY, LLC 6
METROPCS, INC. 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 1
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2005-01-14 708-228-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 CHICAGOHTS IL
2005-01-14 708-589-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 HARVEY IL
2005-01-14 708-623-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 TINLEYPARK IL
2005-01-14 708-623-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 TINLEYPARK IL
2005-01-14 708-843-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 CHICAGOHTS IL
2005-01-14 708-843-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 CHICAGOHTS IL
2005-01-12 708-717-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 ORLAND IL
2004-12-27 708-762-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 RIVERSIDE IL
2004-12-22 708-375-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 BELLWOOD IL
2004-12-20 708-393-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 BERWYN IL
2004-12-20 708-393-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 BERWYN IL
2004-12-20 708-526-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 RIVERSIDE IL
2004-12-16 708-698-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2004-12-16 708-698-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2004-12-16 708-698-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2004-12-16 708-698-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2004-12-16 708-698-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2004-12-14 708-224-4XXX 4000–4999Assigned FIRST COMMUNICATIONS, LLC 460K BLUEISLAND IL
2004-12-14 708-253-6XXX 6000–6999Assigned FIRST COMMUNICATIONS, LLC 460K TINLEYPARK IL
2004-12-07 708-856-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 CHICAGOHTS IL
2004-12-06 708-913-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 HARVEY IL
2004-12-01 708-318-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 BELLWOOD IL
2004-12-01 708-393-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 BERWYN IL
2004-12-01 708-782-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 CALUMET CY IL
2004-11-11 708-483-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J MAYWOOD IL
2004-11-10 708-746-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 MONEE IL
2004-11-10 708-856-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 CHICAGOHTS IL
2004-11-08 708-272-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 BLUEISLAND IL
2004-11-04 708-668-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 CHICAGOHTS IL
2004-10-15 708-215-3XXX 3000–3999Assigned FIRST COMMUNICATIONS, LLC 460K LA GRANGE IL
2004-10-15 708-255-4XXX 4000–4999Assigned FIRST COMMUNICATIONS, LLC 460K BROOKFIELD IL
2004-10-15 708-435-7XXX 7000–7999Assigned FIRST COMMUNICATIONS, LLC 460K FOREST IL
2004-10-15 708-437-3XXX 3000–3999Assigned FIRST COMMUNICATIONS, LLC 460K RIVERGROVE IL
2004-10-15 708-566-3XXX 3000–3999Assigned FIRST COMMUNICATIONS, LLC 460K HARVEY IL
2004-10-15 708-590-7XXX 7000–7999Assigned FIRST COMMUNICATIONS, LLC 460K ORLAND IL
2004-10-15 708-675-5XXX 5000–5999Assigned FIRST COMMUNICATIONS, LLC 460K ORLAND IL
2004-10-15 708-792-6XXX 6000–6999Assigned FIRST COMMUNICATIONS, LLC 460K PEOTONE IL
2004-10-15 708-856-3XXX 3000–3999Assigned FIRST COMMUNICATIONS, LLC 460K CHICAGOHTS IL
2004-10-14 708-213-6XXX 6000–6999Assigned FIRST COMMUNICATIONS, LLC 460K HOMEWOOD IL
2004-10-14 708-223-6XXX 6000–6999Assigned FIRST COMMUNICATIONS, LLC 460K MAYWOOD IL
2004-10-14 708-234-6XXX 6000–6999Assigned FIRST COMMUNICATIONS, LLC 460K BELLWOOD IL
2004-10-14 708-279-5XXX 5000–5999Assigned FIRST COMMUNICATIONS, LLC 460K CRETE IL
2004-10-14 708-286-2XXX 2000–2999Assigned FIRST COMMUNICATIONS, LLC 460K WESTERNSPG IL
2004-10-14 708-325-5XXX 5000–5999Assigned FIRST COMMUNICATIONS, LLC 460K SUMMIT IL
2004-10-14 708-326-8XXX 8000–8999Assigned FIRST COMMUNICATIONS, LLC 460K MOKENA IL
2004-10-14 708-329-5XXX 5000–5999Assigned FIRST COMMUNICATIONS, LLC 460K CICERO IL
2004-10-14 708-362-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 HARVEY IL
2004-10-14 708-393-5XXX 5000–5999Assigned FIRST COMMUNICATIONS, LLC 460K BERWYN IL
2004-10-14 708-455-3XXX 3000–3999Assigned FIRST COMMUNICATIONS, LLC 460K LANSING IL
2004-10-14 708-487-5XXX 5000–5999Assigned FIRST COMMUNICATIONS, LLC 460K RIVERDALE IL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.